<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <div>
            <input v-model="msg" />
            <span> {{ msg }} </span>
            <p v-text="msg"></p>
        </div>
        <br>
        <div>
            <input v-model="value" />
            <span> {{ value }} </span>
            <p v-text="value"></p>
        </div>
    </div>
    <script src="./dep.js"></script>
    <script src="./watcher.js"></script>
    <script src="./compiler.js"></script>
    <script src="./observer.js"></script>
    <script src="./vue.js"></script>
    <script>
        let vm = new Vue({
            el: '#app',
            data: {
                msg: 'hello',
                value: 5
            }
        })
    </script>
</body>

</html>